Former victor Rob Cross cruised done astatine nan PDC World Championship and group up a last-16 necktie against defending champion Luke Littler.
Cross, who won nan arena successful 2018, brushed speech Australian and 16th seed Damon Heta successful a comfortable 4-0 win.
The 17th seed was joined successful information 4 by two-time victor Gary Anderson, who edged a final-set thriller against Dutchman Jermaine Wattimena.
Scot Anderson went 3-1 up successful a crippled played astatine a ferocious pace, and was awesome successful averaging 121 successful group three.
He missed 3 lucifer darts successful nan 5th set, hitting double 8 pinch his first dart pinch 32 required, earlier missing nan aforesaid target twice.
Wattimena powered backmost and forced a last set, contempt Anderson missing much lucifer darts astatine tops successful group six.
Anderson went 8 darts into nan nine-darter successful nan last set, earlier going precocious connected nan double 12, and yet claimed nan group 5-3 to proceed his quest to beryllium nan tournament's oldest victor astatine 55.
He averaged 102.24 - nan eighth-highest mean successful this year's tourney - and was astatine 37.5% connected nan checkouts.
"It's nary bully for my age. It's hard, particularly pinch Jermaine connected you. What a game," Anderson told Sky Sports.
"The past 2 games, 4-0, 4-0. I dream that's made up for it. I'm going to dishonesty down now.
"I bottled nan nine-darter, for illustration I bottled a batch of doubles. I was getting excited, I don't often do that up there. But I sewage it done."
Sunday's action began pinch 20th seed Ryan Searle reaching nan 4th information for nan first clip since 2021 pinch a 4-0 demolition of Germany's Martin Schindler.
Afternoon session
Martin Schindler (13) 0-4 Ryan Searle (20)
Damon Heta (16) 0-4 Rob Cross (17)
Gary Anderson (14) 4-3 Jermaine Wattimena (19)
Evening convention (19:00)
Gian van Veen (10) v Madars Razma
Luke Humphries (2) v Gabriel Clemens
Michael van Gerwen (3) v Arno Merk
Afternoon convention (12:30)
Justin Hood v Ryan Meikle
Ricky Evans v Charlie Manby
Nathan Aspinall (15) v Kevin Doets
Evening convention (19:00)
Josh Rock (11) v Callan Rydz
Plus 2 round-four matches to beryllium confirmed